4x Emulsion Tubes for Weber DCOE IDF IDA DCN DCNL DCO EMPI HPMX Type: F2 / F3 / F4 / F5 / F7 / F8 / F9 / F10 / F11 / F14 / F15 / F16 / F34 Please write us what size you need in a note during payment. We also have F4, F17, F19, F34 in another auction. Our emulsion tubes are inspected and tested EACH before shipping! No burrs, correct diameter for main jet, air corrector and holder! Made in EU Please refer to this JETTING TABLE: www. carbparts. eu? jetting Our tubes are calibrated jets will fit nicely in, will not fall out. Do not waste money with sellers who even do not know what is this for! TROUBLES? ASK! We are here to help you! Please check here: www. carbparts. eu/exploded_view The Emulsion Tube holds main jet and air corrector and is designed to mix air from the air corrector jet with fuel from the main jet.